GerArg is who purchased from me. I click on his Username and then View Public Profile.

This is GerArg's Profile page and I now click View Complete Feedbacks for GerArg.

Now you can see GerArg's Trader Profile and Rating Summary. To leave Feedback, I click Submit Feedback for GerArg.

Here is the Feedback Submission Page where you will need to complete the following:
1 Am I the Buyer, Seller or was it a Trade?
2 Rate the Transaction Positive, Neutral or Negative
3 Enter a short comment describing the transaction
4 Enter the URL of the for sale or trade thread. This is required.
5 Enter any additional comments. This is only visible to Buyer/Seller/Traders/HF Support.
6 Click Submit and your feedback is added to the members profile.